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Invariant spin coherent states and the theory of the quantum antiferromagnet in a paramagnetic phase

✍ Scribed by V. I. Belinicher; J. da Providencia

Book ID
110125933
Publisher
SP MAIK Nauka/Interperiodica
Year
2000
Tongue
English
Weight
83 KB
Volume
72
Category
Article
ISSN
0021-3640

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Microscopic Theory of the Two-Dimensiona
Microscopic Theory of the Two-Dimensional Quantum Antiferromagnet in a Paramagnetic Phase
✍ V.I. Belinicher; J. da ProvidΓͺncia πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 196 KB

We have developed a consistent theory of the Heisenberg quantum antiferromagnet in the disordered phase with a short range antiferromagnetic order on the basis of the path integral for spin coherent states. In the framework of our approach we have obtained the response function for the spin fluctuat